diff --git a/CHANGELOG.md b/CHANGELOG.md
index df7b1dd9b..b24c2da0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,3 +28,6 @@
 - [Feature: support actuator for sct core components](https://github.com/Tencent/spring-cloud-tencent/pull/343)
 - [test:update junit of metadata.](https://github.com/Tencent/spring-cloud-tencent/pull/340)
 - [Optimize code style & unit test case](https://github.com/Tencent/spring-cloud-tencent/pull/336)
+- [rm code: Condition 'null != interceptors' is always 'true' ](https://github.com/Tencent/spring-cloud-tencent/pull/342)
+- [fix: shutdown thread pool before the container closes](https://github.com/Tencent/spring-cloud-tencent/pull/353)
+- [docs:update logo in README.](https://github.com/Tencent/spring-cloud-tencent/pull/358)
diff --git a/README-zh.md b/README-zh.md
index 5724154c0..f29879285 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -1,4 +1,4 @@
-<img src="https://user-images.githubusercontent.com/4991116/176166888-9c8a4074-ba42-41b8-93db-d6e95b16656b.png" width="60%" height="60%"  alt="Spring-Cloud-Tencent-Logo"/>
+<img src="https://github.com/Tencent/spring-cloud-tencent/raw/main/doc/logo/rectangle-white.png" width="60%" height="60%"  alt="Spring-Cloud-Tencent-Logo"/>
 
 [![Wiki](https://badgen.net/badge/icon/wiki?icon=wiki&label)](https://github.com/Tencent/spring-cloud-tencent/wiki)
 [![Build Status](https://github.com/Tencent/spring-cloud-tencent/actions/workflows/junit_test.yml/badge.svg)](https://github.com/Tencent/spring-cloud-tencent/actions/workflows/junit_test.yml)
diff --git a/README.md b/README.md
index adfa43cf9..2c2965a53 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-<img src="https://user-images.githubusercontent.com/4991116/176166888-9c8a4074-ba42-41b8-93db-d6e95b16656b.png" width="60%" height="60%"  alt="Spring-Cloud-Tencent-Logo"/>
+<img src="https://github.com/Tencent/spring-cloud-tencent/raw/main/doc/logo/rectangle-white.png" width="60%" height="60%"  alt="Spring-Cloud-Tencent-Logo"/>
 
 
 [![Wiki](https://badgen.net/badge/icon/wiki?icon=wiki&label)](https://github.com/Tencent/spring-cloud-tencent/wiki)
diff --git a/spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfiguration.java b/spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfiguration.java
index 589875875..9f7514ae6 100644
--- a/spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfiguration.java
+++ b/spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfiguration.java
@@ -168,8 +168,7 @@ public class MetadataTransferAutoConfiguration {
 					List<ClientHttpRequestInterceptor> interceptors = restTemplate
 							.getInterceptors();
 					// Avoid setting interceptor repeatedly.
-					if (null != interceptors && !interceptors
-							.contains(encodeTransferMedataRestTemplateInterceptor)) {
+					if (!interceptors.contains(encodeTransferMedataRestTemplateInterceptor)) {
 						interceptors.add(encodeTransferMedataRestTemplateInterceptor);
 						restTemplate.setInterceptors(interceptors);
 					}
@@ -207,10 +206,8 @@ public class MetadataTransferAutoConfiguration {
 					List<ClientHttpRequestInterceptor> interceptors = restTemplate
 							.getInterceptors();
 					// Avoid setting interceptor repeatedly.
-					if (null != interceptors && !interceptors
-							.contains(encodeTransferMedataRestTemplateInterceptor)) {
-						interceptors
-								.add(this.encodeTransferMedataRestTemplateInterceptor);
+					if (!interceptors.contains(encodeTransferMedataRestTemplateInterceptor)) {
+						interceptors.add(this.encodeTransferMedataRestTemplateInterceptor);
 						restTemplate.setInterceptors(interceptors);
 					}
 				}
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/PolarisRefreshApplicationReadyEventListener.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/PolarisRefreshApplicationReadyEventListener.java
index 9591cb389..53292e7cf 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/PolarisRefreshApplicationReadyEventListener.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/PolarisRefreshApplicationReadyEventListener.java
@@ -25,6 +25,7 @@ import com.tencent.polaris.client.util.NamedThreadFactory;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import org.springframework.beans.factory.DisposableBean;
 import org.springframework.boot.context.event.ApplicationReadyEvent;
 import org.springframework.cloud.client.discovery.event.HeartbeatEvent;
 import org.springframework.context.ApplicationEventPublisher;
@@ -38,7 +39,7 @@ import static com.tencent.cloud.polaris.discovery.refresh.PolarisServiceStatusCh
  *
  * @author Haotian Zhang
  */
-public class PolarisRefreshApplicationReadyEventListener implements ApplicationListener<ApplicationReadyEvent>, ApplicationEventPublisherAware {
+public class PolarisRefreshApplicationReadyEventListener implements ApplicationListener<ApplicationReadyEvent>, ApplicationEventPublisherAware, DisposableBean {
 
 	private static final Logger LOG = LoggerFactory.getLogger(PolarisRefreshApplicationReadyEventListener.class);
 	private static final int DELAY = 60;
@@ -83,4 +84,9 @@ public class PolarisRefreshApplicationReadyEventListener implements ApplicationL
 	public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
 		this.publisher = applicationEventPublisher;
 	}
+
+	@Override
+	public void destroy() throws Exception {
+		refreshExecutor.shutdown();
+	}
 }